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Aviation Safety Data API vs GTFS Scorecard API

Two free Transportation APIs compared on access, reliability and developer ratings, using data from our daily health checks.

The verdict

  • Choose Aviation Safety Data API if you want faster responses.
  • Choose GTFS Scorecard API if its data fits your use case better; on access and reliability it's level with Aviation Safety Data API.

Side by side

Aviation Safety Data APIGTFS Scorecard API
What it does164,068 aircraft accident narratives from 128 official investigation authorities, plus FAA data.Data-quality grades and prioritized fixes for 2,400+ public transit GTFS feed records.
ProviderFlightFinderChelseaKR
API keyNot neededNot needed
HTTPSYesYes
CORS (browser calls)YesYes
Status todayOnline · 700 msOnline · 1021 ms
Uptime (30 days)UpUp
Developer ratingNot rated yetNot rated yet
PriceFree / free tierFree / free tier
Aviation Safety Data docs ↗GTFS Scorecard docs ↗

About each API

Aviation Safety Data logoAviation Safety Data API

164,068 aircraft accident narratives from 128 official investigation authorities, plus FAA data.

Free JSON API over a merged aviation-safety corpus: accident narratives from 80+ official investigation agencies, occurrence-level dedup, family safety stats. Self-serve keys, OpenAPI 3 spec.

Strengths

  • No API key needed
  • Callable from the browser (CORS)
  • HTTPS

Ratings, reviews and FAQ →

GTFS Scorecard logoGTFS Scorecard API

Data-quality grades and prioritized fixes for 2,400+ public transit GTFS feed records.

Daily, plain-language GTFS quality scorecards for small transit agencies: the grade, the three fixes that matter most, and why. 2,600+ curated Schedule and Realtime feed records (US, Canada, review...

Strengths

  • No API key needed
  • Callable from the browser (CORS)
  • HTTPS

Ratings, reviews and FAQ →

How to choose between them

  • Prototyping or a tutorial? Pick the one that needs no API key (both qualify).
  • Calling from a web page? You need CORS. Otherwise route requests through your own server or a serverless function.
  • Going to production? Favour HTTPS, a strong uptime record and a provider with clear rate limits and terms. Check each API's docs before you commit.
  • Still unsure? Both are free to try: send one request to each and compare the data you get back.

Aviation Safety Data vs GTFS Scorecard FAQ

Do Aviation Safety Data API and GTFS Scorecard API need an API key?

Neither needs an API key; you can call both straight away.

More comparisons

Aviation Safety Data API alternatives · GTFS Scorecard API alternatives · best Transportation APIs